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The synthesis, structural description, temperature dependent magnetic susceptibilities and field dependent magnetizations of a series of rare earth garnets of the form Li3RE3Te2O12 (RE = Y, La, Pr, Nd, Sm-Lu) are reported. The structure of…

Materials Science · Physics 2018-10-16 F. Alex Cevallos , R. J. Cava

Structures and magnetic properties of Fe16-xCoxN2 are studied using adaptive genetic algorithm and first-principles calculations. We show that substituting Fe by Co in Fe16N2 with Co/Fe ratio smaller than 1 can greatly improve the magnetic…

Materials Science · Physics 2016-12-28 Xin Zhao , Cai-Zhuang Wang , Yongxin Yao , Kai-Ming Ho

A magnetic field applied to a three-dimensional antiferromagnetic metal can destroy the long-range order and thereby induce a quantum critical point. Such field-induced quantum critical behavior is the focus of many recent experiments. We…

Strongly Correlated Electrons · Physics 2009-11-10 I. Fischer , A. Rosch

CaCo$_{2-y}$As$_2$ is an unusual itinerant magnet with signatures of extreme magnetic frustration. The conditions for establishing magnetic order in such itinerant frustrated magnets, either by reducing frustration or increasing electronic…

Strongly Correlated Electrons · Physics 2021-12-30 B. G. Ueland , Santanu Pakhira , Bing Li , A. Sapkota , N. S. Sangeetha , T. G. Perring , Y. Lee , Liqin Ke , D. C. Johnston , R. J. McQueeney

Iron, cobalt and nickel are archetypal ferromagnetic metals. In bulk, electronic conduction in these materials takes place mainly through the $s$ and $p$ electrons, whereas the magnetic moments are mostly in the narrow $d$-electron bands,…

Strongly Correlated Electrons · Physics 2009-06-18 M. R. Calvo , J. Fernández-Rossier , J. J. Palacios , D. Jacob , D. Natelson , C. Untiedt

The effects of Co substitution on structural and superconducting properties of RuSr2GdCu2O8 compound have been studied. Rietveld refinements of the X-ray diffraction patterns indicate that the cobalt ion progressively replaces ruthenium…

Superconductivity · Physics 2007-05-23 R. Escamilla , A. Duran , R. Escudero

The transport and structural properties of Fe1+yTe1-xSx (x=0, 0.05, and 0.10) crystals were studied in pulsed magnetic fields up to 65 T. The application of high magnetic fields results in positive magnetoresistance effect with prominent…

Superconductivity · Physics 2012-05-10 Masashi Tokunaga , Takumi Kihara , Yoshikazu Mizuguchi , Yoshihiko Takano

Investigation of the magnetism of Cu$_3$Mo$_2$O$_9$ single crystal, which has antiferromagnetic (AF) linear chains interacting with AF dimers, reveals an AF second-order phase transition at $T_{\rm N} = 7.9$ K. Although weak…

Strongly Correlated Electrons · Physics 2009-11-13 Tomoaki Hamasaki , Tomoyuki Ide , Haruhiko Kuroe , Tomoyuki Sekine , Masashi Hase , Ichiro Tsukada , Toshiro Sakakibara

Geometrically frustrated magnetism has attracted tremendous attention while chemical doping has been utilized as an important tool to probe frustrated magnetism in various systems. Here we perform a systematic study by doping non-magnetic…

Strongly Correlated Electrons · Physics 2025-12-15 Gina Angelo , Qiang Zhang , Dylan Correll , Xin Gui

We synthesized pure and Co-doped (6.25 12.5 at.) ZrO$_2$ nanopowders in order to study their magnetic properties.We analyzed magnetic behavior as a function of the amount of Co and the oxygenation, which was controlled by low pressure…

The dielectric constant of the Kagome staircase-like Co3V2O8 polycrystalline compound has been measured as function of temperature and magnetic field up to 14T. It is found that the application of an external magnetic field suppresses the…

Materials Science · Physics 2015-06-25 Natalia Bellido , Christine Martin , Charles Simon , Antoine Maignan

Rare earth garnets are an exciting playground for studying the exotic magnetic properties of the frustrated hyperkagome lattice. Here we present a comprehensive study of the single ion and collective magnetic properties of the garnet…

Strongly Correlated Electrons · Physics 2019-11-27 Y. Cai , M. N. Wilson , J. Beare , C. Lygouras , G. Thomas , D. R. Yahne , K. Ross , K. M. Taddei , G. Sala , H. A. Dabkowska , A. A. Aczel , G. M. Luke

Through analysis of single crystal neutron diffraction data, we present the magnetic structures of magnetoelectric Co4Nb2O9 under various magnetic fields. In zero-field, neutron diffraction experiments below TN=27 K reveal that the Co2+…

Comprehensive muon spin rotation/relaxation (muSR) and neutron powder diffraction (NPD) studies supported via bulk measurements have been performed on the ordered double perovskite Sr2YbRuO6 to investigate the nature of the magnetic ground…

The magnetic ground state and the crystalline electric field level scheme of the triangular lattice antiferromagnet KCeO$_2$ are investigated. Below $T_N =$ 300 mK, KCeO$_2$ develops signatures of magnetic order in specific heat…

While certain magnetic sublattices have long been known theoretically to give rise to emergent physics via competing magnetic interactions and quantum effects, finding such configurations in real materials is often deeply challenging. Here…

Strongly Correlated Electrons · Physics 2022-07-15 Liurukara D. Sanjeewa , V. Ovidiu Garlea , Keith M. Taddei , Li Yin , Jie Xing , Randy S. Fishman , David S. Parker , Athena S. Sefat

We present the results of the density functional theory study of Co_n Mo_m nanoclusters with n+m=x and 2<=x<=6 atoms on the all-electron level using the generalized gradient approximation. The discussion of the properties of the pure cobalt…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 Simon Liebing , Claudia Martin , Kai Trepte , Jens Kortus

We report on the thermodynamic, magnetic properties and the magnetic structure of ludwigite-type Cu2MnBO5. The specific heat, the low-field magnetization and the paramagnetic susceptibility were studied on a single crystal and combined with…

The honeycomb antiferromagnet Co4Nb2O9 is known to exhibit an interesting magnetoelectric effect that the electric polarization rotates at the twice speed in the opposite direction relative to the rotation of the external magnetic field…

Strongly Correlated Electrons · Physics 2020-04-22 Masashige Matsumoto , Mikito Koga

In this study we examine the phase transitions in single crystals of [(CH3)2NH2]Co(HCOO)3], using magnetization and specific heat measurements as a function of temperature and magnetic field. Magnetisation measurements indicate a transition…

Materials Science · Physics 2015-01-28 K. Vinod , C. S. Deepak , Shilpam Sharma , D. Sornadurai , C. S. Sundar , A. Bharathi